CN207073590U - Pneumatic film sleeve regulating valve - Google Patents
Pneumatic film sleeve regulating valve Download PDFInfo
- Publication number
- CN207073590U CN207073590U CN201721016003.XU CN201721016003U CN207073590U CN 207073590 U CN207073590 U CN 207073590U CN 201721016003 U CN201721016003 U CN 201721016003U CN 207073590 U CN207073590 U CN 207073590U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve element
- bonnet
- membrane cover
- film sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses Pneumatic film sleeve regulating valve, including valve body and bonnet, the connecting bracket above bonnet, executing agency is connected above support, wherein bonnet is fixed on above valve body, valve rod lower end is stretched into bonnet and valve body, valve element is connected in valve rod lower end, valve seat is set on the outside of valve element, valve seat lower end is connected with valve seal, valve element is sleeve double containment type valve element, valve element lower end sets the annular boss that a circle arc protrudes, in valve seat corresponding position, annular groove is set, O-ring seal is respectively provided with the both sides side wall of ring groove, O-ring seal is arranged in the annular groove of ring groove side wall.Pneumatic film sleeve regulating valve of the present utility model, valve element are arranged to sleeve double containment type valve element, good seal performance, precision height.
Description
Technical field
It the utility model is related to regulating valve technical field, more particularly to Pneumatic film sleeve regulating valve.
Background technology
In industrial production, regulating valve has more and more been applied to each as the final element in process control
Industry.And regulating valve relies primarily on the sealing property of valve element during regulation, thus the sealing property for improving valve body is to carry
The key of top adjustment valve precision and quality.
Utility model content
The purpose of this utility model is to provide a kind of Pneumatic film sleeve regulating valve, and seal spool performance is good, and precision is high.
To achieve the above object, the utility model provides Pneumatic film sleeve regulating valve, including valve body and bonnet, in valve
The side's of covering connecting bracket, executing agency is connected above support, wherein bonnet is fixed on above valve body, and bonnet is stretched into valve rod lower end
In valve body, valve element is connected in valve rod lower end, valve seat is set on the outside of valve element, and valve seat lower end is connected with valve seal, and valve element is
Sleeve double containment type valve element, valve element lower end set the annular boss that a circle arc protrudes, and ring is set in the corresponding position of valve seat
Connected in star, O-ring seal is respectively provided with the both sides side wall of ring groove, O-ring seal is arranged on the ring of ring groove side wall
In groove.Pneumatic film sleeve regulating valve of the present utility model, valve element are arranged to sleeve double containment type valve element, good seal performance, essence
Degree is high.
Further, in valve seat upper end, madial wall is also provided with sealing ring, guide ledges is set on the outside of valve element upper end, in valve
The corresponding position of seat, which is set, is oriented to groove.The sealing ring of valve seat upper end sets the sealing property for further improving valve body, valve element
With the guide ledges of valve seat and the cooperation of guiding groove, preferably the relative position of valve element and valve seat is positioned, in valve element
Up and down motion during play guide effect.
Wherein executing agency is the pneumatic Bu Mo executing agencies of more springs, including upper membrane cover, lower membrane cover, spring and diaphragm, on
Membrane cover is fixedly connected with lower membrane cover, and multiple springs are set between upper membrane cover and lower membrane cover, and diaphragm, support are set in lower spring end
It is fixed on below lower membrane cover；Push rod, contiguous block and filler are set in support, filler pressing sleeve is sequentially arranged above in filler and fills out
Expect pressing plate, push rod upper end is connected with diaphragm, and contiguous block is arranged among push rod, push rod lower end connection valve rod, wherein filler, filler
Gland and hold-down grid are arranged on the outside of valve rod.Executing agency can fittings be locator, air filtration pressure reducer, protect position
Valve, handwheel etc..
Further, pad is set between bonnet and valve body, step surface is set in the junction of valve seat and valve body,
Gasket seal is set on step surface.
Pneumatic film sleeve regulating valve is a kind of pressure-balancing type regulating valve, using cage guiding, pressure-balancing type double density
Front cover spool mechanism, the more spring pneumatic actuators of adapted.Runner is in S cleanliness, and Pneumatic film sleeve regulating valve integrally has
The features such as functioning equalization, permissible pressure are big, discharge characteristic is accurate, noise is low.Pneumatic sleeve regulating valve is big especially suitable for flow,
Pressure difference is larger before and after valve, reveals less demanding occasion.
Wherein airtight and watertight padding be V-type polytetrafluoroethylene packing, impregnation teflon asbestos filler, asbestos weave filler,
Graphite packing etc..
Pneumatic film sleeve regulating valve of the present utility model, valve body are straight-through casting spherical valve, and valve element is sleeve double containment
Type valve element, overall to use detachable structure design, the big precision of valve body flow is high, the axial compressive force that valve seat passes through bonnet and fixed cage
Fixed, automatic centering during installation, good concentricity, precision is high, closes tight, and leakage is small, and mechanism is compact, safeguard it is simple, using into
This is low.The design of wherein valve element top guide structure effectively prevent friction and stuck phenomenon, reliable and stable, service life length,
Designed in addition using innovative filler, good seal performance, frictional force is small, and control accuracy is high, and response reaction is fast, and dead band is small.Entirely
For regulating valve using the part design of standard the Ministry of Chemical Industry, interchangeability is strong, reduces the quantity in stock of user, reduces use cost.This practicality is new
The Pneumatic film sleeve regulating valve of type, valve body are durable through agreement pickling, anti-corrosion.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing of the utility model valve seat and valve element；
Wherein, 1- springs, the upper membrane covers of 2-, 3- diaphragms, membrane cover under 4-, 5- push rods, 6- contiguous blocks, 7- supports, 8- filler pressures
Plate, 9- filler pressing sleeves, 10- fillers, 11- bonnets, 12- pads, 13- valve rods, 14- valve elements, 15- valve seats, 16- gasket seals, 17-
Valve body, 18- annular boss, 19- annular grooves, 20- O-ring seals, 21- annular grooves, 22- sealing rings, 23- guide ledges, 24-
It is oriented to groove.
Embodiment
Describe optimal technical scheme of the present utility model in detail below in conjunction with the accompanying drawings.
As illustrated, Pneumatic film sleeve regulating valve of the present utility model, including valve body 17 and bonnet 11, on bonnet 11
Square connecting bracket 7, executing agency is connected above support 7, wherein bonnet 11 is fixed on the top of valve body 17, and the lower end of valve rod 13 is stretched into
In bonnet 11 and valve body 17, valve element 14 is connected in the lower end of valve rod 13, valve seat 15, the lower end of valve seat 15 and valve are set in the outside of valve element 14
Body 17 is tightly connected, and valve element 14 is sleeve double containment type valve element, and the lower end of valve element 14 sets the annular boss 18 that a circle arc protrudes,
Annular groove 19 is set in the corresponding position of valve seat 15, O-ring seal 20 is respectively provided with the both sides side wall of ring groove 19,
O-ring seal 20 is arranged in the annular groove 21 of the side wall of ring groove 19.
Further, sealing ring 22 is also provided with the upper end madial wall of valve seat 15, sets guiding convex on the outside of the upper end of valve element 14
Platform 23, set in the corresponding position of valve seat 15 and be oriented to groove 24.
Wherein executing agency is the pneumatic Bu Mo executing agencies of more springs, including upper membrane cover 2, lower membrane cover 4, spring 1 and diaphragm
3, upper membrane cover 2 is fixedly connected with lower membrane cover 4, and multiple springs 1 are set between upper membrane cover 2 and lower membrane cover 4, are set in the lower end of spring 1
Diaphragm 3 is put, support 7 is fixed on the lower lower section of membrane cover 4；Push rod 5, contiguous block 6 and filler 10 are set in support 7, on filler 10
Side sets gradually filler pressing sleeve 9 and hold-down grid 8, and the upper end of push rod 5 is connected with diaphragm 3, and contiguous block 6 is arranged among push rod 5, is pushed away
The lower end of bar 5 connects valve rod 13, and wherein filler 10, filler pressing sleeve 9 and hold-down grid 8 is arranged at the outside of valve rod 13.
Further, pad 12 is set between bonnet 11 and valve body 17, set in the junction of valve seat 15 and valve body 17
Step surface is put, gasket seal 16 is set on step surface.
Pneumatic film sleeve regulating valve of the present utility model, valve element are arranged to sleeve double containment type valve element, good seal performance,
Precision is high.
The sealing ring of valve seat upper end sets the sealing property for further improving valve body, the guide ledges of valve element and valve seat and leads
Cooperation to groove, preferably the relative position of valve element and valve seat is positioned, played during the up and down motion of valve element
Guide effect.
Executing agency can fittings be locator, air filtration pressure reducer, protect position valve, handwheel etc..
Pneumatic film sleeve regulating valve is a kind of pressure-balancing type regulating valve, using cage guiding, pressure-balancing type double density
Front cover spool mechanism, the more spring pneumatic actuators of adapted.Runner is in S cleanliness, and Pneumatic film sleeve regulating valve integrally has
The features such as functioning equalization, permissible pressure are big, discharge characteristic is accurate, noise is low.Pneumatic sleeve regulating valve is big especially suitable for flow,
Pressure difference is larger before and after valve, reveals less demanding occasion.
Wherein airtight and watertight padding be V-type polytetrafluoroethylene packing, impregnation teflon asbestos filler, asbestos weave filler,
Graphite packing etc..
Pneumatic film sleeve regulating valve of the present utility model, valve body are straight-through casting spherical valve, and valve element is sleeve double containment
Type valve element, overall to use detachable structure design, the big precision of valve body flow is high, the axial compressive force that valve seat passes through bonnet and fixed cage
Fixed, automatic centering during installation, good concentricity, precision is high, closes tight, and leakage is small, and mechanism is compact, safeguard it is simple, using into
This is low.The design of wherein valve element top guide structure effectively prevent friction and stuck phenomenon, reliable and stable, service life length,
Designed in addition using innovative filler, good seal performance, frictional force is small, and control accuracy is high, and response reaction is fast, and dead band is small.Entirely
For regulating valve using the part design of standard the Ministry of Chemical Industry, interchangeability is strong, reduces the quantity in stock of user, reduces use cost.This practicality is new
The Pneumatic film sleeve regulating valve of type, valve body are durable through agreement pickling, anti-corrosion.
Pneumatic sleeve regulating valve can be considered as has added individual cover at the valve element position of single-seat valve, and valve element is covered, and it throttles
Or the regulation of stream and pressure is carried out by the gap of adjusting spool and valve seat, puts and is provided with window or aperture, effect has 2
It is individual, first, being oriented to valve element, suppress valve element vibrations, reduce noise；Second, the hole put forms one-level decompression.Cause
This, the operating pressure of telescoping valve is higher than single-seat valve, and vibrations and noise are small, and sealing property is superior.
Claims (5)
1. Pneumatic film sleeve regulating valve, it is characterised in that：Including valve body and bonnet, the connecting bracket above bonnet, in support
Top connects executing agency, and wherein bonnet is fixed on above valve body, and valve rod lower end is stretched into bonnet and valve body, is connected in valve rod lower end
Valve element is connect, valve seat is set on the outside of valve element, valve seat lower end is connected with valve seal, and valve element is sleeve double containment type valve element, valve element
Lower end sets the annular boss that a circle arc protrudes, and annular groove is set in the corresponding position of valve seat, the two of ring groove
Side side wall is respectively provided with O-ring seal, and O-ring seal is arranged in the annular groove of ring groove side wall.
2. Pneumatic film sleeve regulating valve as claimed in claim 1, it is characterised in that：In valve seat upper end, madial wall is also provided with close
Seal, guide ledges are set on the outside of valve element upper end, are set in the corresponding position of valve seat and be oriented to groove.
3. Pneumatic film sleeve regulating valve as claimed in claim 1 or 2, it is characterised in that：Wherein executing agency is more springs
Pneumatic Bu Mo executing agencies, including upper membrane cover, lower membrane cover, spring and diaphragm, upper membrane cover is fixedly connected with lower membrane cover, in upper membrane cover
Multiple springs are set between lower membrane cover, diaphragm are set in lower spring end, support is fixed on below lower membrane cover.
4. Pneumatic film sleeve regulating valve as claimed in claim 3, it is characterised in that：Push rod, contiguous block are set in support
And filler, filler pressing sleeve and hold-down grid are sequentially arranged above in filler, push rod upper end is connected with diaphragm, and contiguous block, which is arranged on, to be pushed away
Among bar, push rod lower end connection valve rod, wherein filler, filler pressing sleeve and hold-down grid is arranged on the outside of valve rod.
5. Pneumatic film sleeve regulating valve as claimed in claim 4, it is characterised in that：Pad is set between bonnet and valve body
Piece, step surface is set in the junction of valve seat and valve body, gasket seal is set on step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016003.XU CN207073590U (en) | 2017-08-15 | 2017-08-15 | Pneumatic film sleeve regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016003.XU CN207073590U (en) | 2017-08-15 | 2017-08-15 | Pneumatic film sleeve regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073590U true CN207073590U (en) | 2018-03-06 |
Family
ID=61523743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721016003.XU Expired - Fee Related CN207073590U (en) | 2017-08-15 | 2017-08-15 | Pneumatic film sleeve regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798369A (en) * | 2019-03-01 | 2019-05-24 | 浙江山能仪表有限公司 | A kind of Pneumatic single-seat regulating valve |
-
2017
- 2017-08-15 CN CN201721016003.XU patent/CN207073590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798369A (en) * | 2019-03-01 | 2019-05-24 | 浙江山能仪表有限公司 | A kind of Pneumatic single-seat regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20180815 |